Home / 397,280.04-548,257.26-216,004.20

Finding the Fourth Proportional to 397,280.04, 548,257.26 and 216,004.20

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Solution

The fourth proportional to 397,280.04, 548,257.26 and 216,004.20 is: 298,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,280.04 : 548,257.26 = 216,004.20 : x
  2. Step 2: Convert to fraction form
    397,280.04/548,257.26 = 216,004.20/x
  3. Step 3: Cross multiply
    397,280.04x = 548,257.26 × 216,004.20
  4. Step 4: Simplify right side
    397,280.04x = 118,425,870,840.49
  5. Step 5: Solve for x
    x = 118,425,870,840.49/397,280.04
  6. Step 6: Final answer
    x = 298,091.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.